Intego on Friday released ChatBarrier X4, a new version of its real-time encryption software for iChat. The update offers the ability to encrypt audio chats and file transfers, as well as support for Intel-based Macs.
ChatBarrier X3 users can upgrade to the new version for free. The full software is US$39.95 for a single-user license, which includes a second license for free. Mac OS X v10.3.9 is required.